I may omit you may omit he may omit we may omit you may omit they may omit
V-ing form
I may be omitting you may be omitting he may be omitting we may be omitting you may be omitting they may be omitting
Perfect
I may have omitted you may have omitted he may have omitted we may have omitted you may have omitted they may have omitted
V-ing perfect
I may have been omitting you may have been omitting he may have been omitting we may have been omitting you may have been omitting they may have been omitting
Negation
Simple form
I mayn't omit you mayn't omit he mayn't omit we mayn't omit you mayn't omit they mayn't omit
V-ing form
I mayn't be omitting you mayn't be omitting he mayn't be omitting we mayn't be omitting you mayn't be omitting they mayn't be omitting
Perfect
I mayn't have omitted you mayn't have omitted he mayn't have omitted we mayn't have omitted you mayn't have omitted they mayn't have omitted
V-ing perfect
I mayn't have been omitting you mayn't have been omitting he mayn't have been omitting we mayn't have been omitting you mayn't have been omitting they mayn't have been omitting
Interrogative form
Simple form
may I omit? may you omit? may he omit? may we omit? may you omit? may they omit?
V-ing form
may I be omitting? may you be omitting? may he be omitting? may we be omitting? may you be omitting? may they be omitting?
Perfect
may I have omitted? may you have omitted? may he have omitted? may we have omitted? may you have omitted? may they have omitted?
V-ing perfect
may I have been omitting? may you have been omitting? may he have been omitting? may we have been omitting? may you have been omitting? may they have been omitting?
Interro-negative form
Simple form
mayn't I omit? mayn't you omit? mayn't he omit? mayn't we omit? mayn't you omit? mayn't they omit?
V-ing form
mayn't I be omitting? mayn't you be omitting? mayn't he be omitting? mayn't we be omitting? mayn't you be omitting? mayn't they be omitting?
Perfect
mayn't I have omitted? mayn't you have omitted? mayn't he have omitted? mayn't we have omitted? mayn't you have omitted? mayn't they have omitted?
V-ing perfect
mayn't I have been omitting? mayn't you have been omitting? mayn't he have been omitting? mayn't we have been omitting? mayn't you have been omitting? mayn't they have been omitting?